function angebotVereinDialog(data) {
    if (data.status == 'failure') {
        $('#angebotDialog div.divForForm').html(data.div);
        // Submit the form via function createAngebot
        $('#angebotDialog div.divForForm form').submit(createAngebot);
    } else {
        $('#angebotDialog div.divForForm').html(data.div);
        setTimeout("$('#angebotDialog').dialog('close')", 3000);
        selectAngebot(data);
    }
}

function selectAngebot(angebot) {
	$("#AngebotVerein_angebot_id").val(angebot.value);
	$("#angebot_name").val(angebot.label);
	var newSelectObj = clearSelectBox("#AngebotVerein_einheit");
    $("#emptyEinheitenTxt")[0].style.display = "none";
	
	var count = 0;
	var einheiten = angebot.einheiten.split(",");
	for (i in einheiten) {
		var einheit = einheiten[i].trim();
		newSelectObj.options[count++] = new Option(einheit, einheit);
	}
	newSelectObj.style.display = "inline";
	return false;
}

function changeAngebot(event) {
	var autocomplete = $(this).data("autocomplete");
    if (autocomplete.selectedItem) {
        return;
    }
    var userEnteredValue = $(this).val();
    if (null != userEnteredValue && !userEnteredValue.isEmpty()) { // User has entered at list one non-whitespace character
        var escapedValue = $.ui.autocomplete.escapeRegex(userEnteredValue);
        // Matcher to check if the user entered value is in element list
        var fullMatcher = new RegExp("^" + escapedValue + "$", "i");
        // Matcher to check if an element exists that starts with the user entered value
        var partMatcher = new RegExp("^" + escapedValue, "i");
        var items = autocomplete.widget().children(".ui-menu-item");
        if (1 == items.length) {
        	items.each(function() {
                // The current item in iteration
                var item = $(this).data("item.autocomplete");
                if (null != item.label && !item.label.isEmpty()) { // Check only if current item has a label
                    if (fullMatcher.test(item.label)) { // The label is identical with the user value
                        autocomplete.selectedItem = item; // Set the selected item to the current item
                        return false; // Return -> item already found
                    } else if (partMatcher.test(item.label)) { // The label starts with the user value
                        var conf = confirm("Meinten Sie \""+item.label+"\"?"); // Ask the user if the item is the one to choose
                        if (conf) { // The item is the one to choose
                            autocomplete.selectedItem = item; // Set the selected item to the current item
                            return false; // Return -> item already found
                        }
                    }
                }
            });
        }

        if (autocomplete.selectedItem) {
            autocomplete._trigger("select", event, { item: autocomplete.selectedItem });
        } else {
            resetEinheiten();
            // Ask the user to create the non-existing Angebot
        	var conf = confirm("Das eingegebene Angebot existiert noch nicht. Wollen Sie dieses Angebot neu erstellen?");
            if (conf) { // The Angebot should be created
            	openAngebotDialog(); // initialize and open Angebot dialog
            }
        }
    } else { // User has not entered anything or only entered whitespace characters
        $("#AngebotVerein_angebot_id").val("");
        resetEinheiten();
    }
}

function resetEinheiten() {
	clearSelectBox("#AngebotVerein_einheit");
    $("#emptyEinheitenTxt")[0].style.display = "inline";
}

function clearSelectBox(id) {
	var selectObj = $(id)[0];
	if (null != selectObj) {
		selectObj.style.display = "none";
		var selectParentNode = selectObj.parentNode;
		var newSelectObj = selectObj.cloneNode(false); // Make a shallow copy
		selectParentNode.replaceChild(newSelectObj, selectObj);
		return newSelectObj;
	}
	return null;
}